Home / 488,046.40-673,030.88-380,577.24

Finding the Fourth Proportional to 488,046.40, 673,030.88 and 380,577.24

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Solution

The fourth proportional to 488,046.40, 673,030.88 and 380,577.24 is: 524,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,046.40 : 673,030.88 = 380,577.24 : x
  2. Step 2: Convert to fraction form
    488,046.40/673,030.88 = 380,577.24/x
  3. Step 3: Cross multiply
    488,046.40x = 673,030.88 × 380,577.24
  4. Step 4: Simplify right side
    488,046.40x = 256,140,234,745.17
  5. Step 5: Solve for x
    x = 256,140,234,745.17/488,046.40
  6. Step 6: Final answer
    x = 524,827.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.